<?
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/

/** * Smarty unicode_convert language Vietnamese modifier plugin
* webdeveloper
* How to use? {$title|unicode_convert}
* @param string $str
* @return string
*/

function unicode_convert($str){
	if (!$str)
		return false;

	$str = trim($str);

	$unicode = array(
				'a'=>array('á','à','ả','ã','ạ','ă','ắ','ặ','ằ','ẳ','ẵ','â','ấ','ầ','ẩ','ẫ','ậ'),
				'A'=>array('Á','À','Ả','Ã','Ạ','Ă','Ắ','Ặ','Ằ','Ẳ','Ẵ','Â','Ấ','Ầ','Ẩ','Ẫ','Ậ'),
				'd'=>array('đ'),
				'D'=>array('Đ'),
				'e'=>array('é','è','ẻ','ẽ','ẹ','ê','ế','ề','ể','ễ','ệ'),
				'E'=>array('É','È','Ẻ','Ẽ','Ẹ','Ê','Ế','Ề','Ể','Ễ','Ệ'),
				'i'=>array('í','ì','ỉ','ĩ','ị'),
				'I'=>array('Í','Ì','Ỉ','Ĩ','Ị'),
				'o'=>array('ó','ò','ỏ','õ','ọ','ô','ố','ồ','ổ','ỗ','ộ','ơ','ớ','ờ','ở','ỡ','ợ'),
				'0'=>array('Ó','Ò','Ỏ','Õ','Ọ','Ô','Ố','Ồ','Ổ','Ỗ','Ộ','Ơ','Ớ','Ờ','Ở','Ỡ','Ợ'),
				'u'=>array('ú','ù','ủ','ũ','ụ','ư','ứ','ừ','ử','ữ','ự'),
				'U'=>array('Ú','Ù','Ủ','Ũ','Ụ','Ư','Ứ','Ừ','Ử','Ữ','Ự'),
				'y'=>array('ý','ỳ','ỷ','ỹ','ỵ'),
				'Y'=>array('Ý','Ỳ','Ỷ','Ỹ','Ỵ'),
				'-'=>array(' ','.','.','/'),
				' '=>array('(',')','>',
				'<','!','?','%','“','"','"',"'",',')
				);

	foreach($unicode as $nonUnicode=>$uni){
		foreach($uni as $value) $str = str_replace($value,$nonUnicode,$str);
	}

	$str = str_replace("–","-",$str);
	$str = str_replace(" ","",$str);
	$str = ucfirst(strtolower($str));

	return $str;
}